通过Biotage Isolera快速纯化液相制备色谱帮助使用仿生的直接环氧化反应和天然产物的结构重排进行ent-(-)-azonazine的全合成研究by耐士科技

2015-02-12 17:39 下载量：7

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A biomimetic approach has been investigated and developed for the total synthesis of azonazine, an unusual marine natural cyclopeptide containing a rigid transannular 10-membered ring. A hypervalent iodine-mediated direct oxidative cyclization was successfully developed and applied to construct the highly strained core, which was the key step in the first total synthesis of ent-()-azonazine. Based on the physical evidences of synthesized diastereomer and enantiomer of azonazine, both the relative and absolute configurations of the natural product were revised. Two fluorinated azonazine derivatives were also synthesized in short convenient steps utilizing the same intermediate in this work. The established total synthesis opens a potential opportunity to study the structureeactivity relationship of natural azonazine.

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上海鑫欣生物科技有限公司

银牌会员 | 第14年

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